Is it possible to transfer such data using websocket?

Question

Socket.io

Hello. Once in about 10 seconds, data (json) comes from the server and the characters in this data vary from 5-15k. Is it normal to send such data using websockets?

Answer 1

https://tools.ietf.org/html/rfc6455#section-5.2
Up to 18446744073709551615 bytes is also possible.
If you have buffers of the appropriate sizes in the appropriate amount.